A Surprise..(Tsukuni Fanfic)

Tsurugi and Mikuni have been C3 partners for who knows how long. Tsurugi had developed feelings for the blonde Eve of Envy. Mikuni's birthday was right around the corner. Tsurugi wanted to do something SPECIAL for the blonde that he loved very much. He planned to give himself to Mikuni as a birthday present...

[TO SEE WHAT HAPPENS, READ TO FIND OUT. WARNING: THERE WILL BE LEMON/SMUT]